print('hi')

num1 = 80
num2 = 50

print('num1 + num2 = %d'%(num1+num2))


print('num1 - num2 = %d'%(num1-num2))



print('num1 / num2 = %d'%(num1/num2))

print('num1 * num2 = %d'%(num1*num2))

print('哈哈哈')

print('嘻嘻嘻')

